Features 1.Economical:4 types of rotors can be equipped on one instrument 2.Four types of rotors are available for convenient use:Angle rotor,swing rotor for red blood cell washing,sextuple tubes frotor andswing rotor for microcolum geltest. 3.Simple operation:11 programs built-in are available,and another more 30 programs can be set. Standard programs for different tests of blood group serology are equipped,and more program can be built in according tothe customers requirements for normalization& standardilization of clinical check and research. 4.Accuracy of cebtrifugal force: quick start,prompt speed reaching and automatic braking. 5.Wide application:It can be used for normal test of blood group serology,red blood cell washing(easy tube washing) and microcolum geltest.Sextuple tubes type etc. Making operation simple and easy and centrifugal time is greatly reduced for prompt determination of the result.